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Zip Code 45612 — Bainbridge, OH

45612 is a ZIP Code associated with Bainbridge, OH, located within Ross. 45612 ranks #3 out of 9 ZIP codes in Ross County by population (and #530 out of 1,232 in OH). The area supports an estimated population of 4,933 residents across Data Pending housing units, with a population density of 17.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.215690, -83.271710)

Data MetricLocal Statistic
Postal / Zip Code45612
Primary CityBainbridge
State / ProvinceOH
CountyRoss
Total Population4,933
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density17.1 people/sq mi
TimezoneAmerica/New_York

How 45612 Compares

MetricZIP 45612Ross CountyOH State Average
Population4,93375,423 (Total)11,810,293 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density17.1 /sq mi----
County Pop Rank#3 of 9----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 45624Cynthiana5.1 miN/AN/A
Zip 45681South Salem6.3 mi1,451N/A
Zip 45617Bourneville7.6 miN/AN/A
Zip 45646Latham9.9 mi129N/A
Zip 45123Greenfield11.1 mi8,740N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →